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प्रश्न
The area of the triangle formed by the lines joining the vertex of the parabola x2 = 12y to the ends of its latus rectum is ______.
विकल्प
12 sq.units
16 sq.units
18 sq.units
24 sq.units
उत्तर
The area of the triangle formed by the lines joining the vertex of the parabola x2 = 12y to the ends of its latus rectum is 18 sq.units.
Explanation:
From the figure
OPQ represent the triangle whose area is to be determined.
The area of the triangle = `1/2 "PQ" xx "OF"`
= `1/2(12 xx 3)` = 18
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